-89.95% is the change from 557 to 56
Calculation steps:
[( 56 - 557 ) ÷ 557] x 100 = -89.95%
Formula
Percentage change = [(56 - 557) / 557] x 100
Subtract the new number by the original number
56 - 557 = -501
-501 ÷ 557 = -0.8994614003590664
-0.8994614003590664 x 100 = -89.95%